Your question is best answered in two parts. First, while the internet is undoubtedly a source of legitimate research findings from prospective double blind clinical studies, conducted over a sufficient period of time, and with sufficient sample sizes, protocol consistency, and proper biostatistical analysis to yield clinically useful findings, it is, let's face it, more often a morass of urban myth,exaggerated or untruthful personal anecdotes, and social media hysteria run amuck. In view of this fact, I want to be very clear in stating that there are currently NO proper clinical studies that demonstrate that continuing to breastfeed your baby after receiving Botox injections will pose any harm to your child. It is unlikely that you received a large dose of Botox in your treatment by your dermatologist. It is unlikely that even a minuscule dose of Botox will travel from the sites of injection into the milk glands of your breast. It is unlikely that even if this were to occur, it would have any effect at all on your baby. However, in life, in general, anyone who gives you a 100% guarantee of anything happening, or not happening, should be viewed with suspicion. If there is one aspect of life that is certain, it is that there is a certain degree of uncertainty in any general pronouncement, no matter the vigor and definitiveness with which it is pronounced. Therefore, I would put the ball back in your court, and tell you that if your fear of the minuscule possibility of any harm coming to your child from the Botox treatment you received is enough to keep you up at night, then you should probably just stop breastfeeding your baby. Problem solved. Another relevant fact is that the physiological effect of Botox generally dissipates by three to six months after the time of injection. In our clinic, our practice is to ask all women of child bearing age if they are breastfeeding, or if there is a chance they may be pregnant. If they answer yes to either question, we decline to inject them with Botox until they deliver their baby, or until they stop breastfeeding. Again, we do this out of an abundance of caution, and humility, knowing that in this area, as in so many areas in medicine, we just don't know what we don't know, so we choose to err on the side of caution.